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Measurements of particle emissions from nanotechnology processes, with assessment of measuring techniques and workplace controls

Morawska, Lidia, McGarry, Peter D., Morris, Howard, Knibbs, Luke D., Bostrom, Thor E., & Capasso, Andrea (2012) Measurements of particle emissions from nanotechnology processes, with assessment of measuring techniques and workplace controls. Safe Work Australia.

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Abstract

The overall aim of this project was to contribute to existing knowledge regarding methods for measuring characteristics of airborne nanoparticles and controlling occupational exposure to airborne nanoparticles, and to gather data on nanoparticle emission and transport in various workplaces.

The scope of this study involved investigating the characteristics and behaviour of particles arising from the operation of six nanotechnology processes, subdivided into nine processes for measurement purposes. It did not include the toxicological evaluation of the aerosol and therefore, no direct conclusion was made regarding the health effects of exposure to these particles.

Our research included real-time measurement of sub, and supermicrometre particle number and mass concentration, count median diameter, and alveolar deposited surface area using condensation particle counters, an optical particle counter, DustTrak photometer, scanning mobility particle sizer, and nanoparticle surface area monitor, respectively. Off-line particle analysis included scanning and transmission electron microscopy, energy-dispersive x-ray spectrometry, and thermal optical analysis of elemental carbon. Sources of fibrous and non-fibrous particles were included.

Impact and interest:

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ID Code: 54101
Item Type: Report
Keywords: Particle Emissions, Nanotechnology, Workplace Controls
ISBN: 9780642785404
Subjects: Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 The Authors
Deposited On: 11 Oct 2012 04:29
Last Modified: 20 Dec 2014 17:34

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